404233142 has 16 divisors (see below), whose sum is σ = 633143520. Its totient is φ = 193197312.

The previous prime is 404233133. The next prime is 404233163. The reversal of 404233142 is 241332404.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117584 + ... + 120972.

It is an arithmetic number, because the mean of its divisors is an integer number (39571470).

Almost surely, 2^404233142 is an apocalyptic number.

404233142 is a deficient number, since it is larger than the sum of its proper divisors (228910378).

404233142 is a wasteful number, since it uses less digits than its factorization.

404233142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 404233142 is about 20105.5500297803. The cubic root of 404233142 is about 739.3963557842.

Adding to 404233142 its reverse (241332404), we get a palindrome (645565546).

The spelling of 404233142 in words is "four hundred four million, two hundred thirty-three thousand, one hundred forty-two".